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[bgp-stats] Routing Table Report
* BGP Statistics focusing on the Asia Pacific Region *
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Routing Table Report 17 Oct, 2001
Analysis Summary
----------------
BGP routing table entries examined: 110168
Origin ASes present in the Internet Routing Table: 11902
Origin ASes announcing only one prefix: 4397
Transit ASes present in the Internet Routing Table: 1536
Average AS path length visible in the Internet Routing Table: 5.4
Max AS path length visible: 17
Illegal AS announcements present in the Routing Table: 73
Non-routable prefixes present in the Routing Table: 0
Prefixes being announced from the IANA Reserved Address blocks: 16
Number of addresses announced to Internet: 1281727792
Equivalent to 76 /8s, 101 /16s and 157 /24s
Percentage of available address space announced: 34.6
Percentage of allocated address space announced: 66.6
Percentage of available address space allocated: 51.9
Total number of prefixes smaller than registry allocations: 74743
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 16516
Prefixes being announced from the APNIC address blocks: 14960
APNIC Region origin ASes present in the Internet Routing Table: 1378
APNIC Region origin ASes announcing only one prefix: 461
APNIC Region transit ASes present in the Internet Routing Table: 233
Average APNIC Region AS path length visible: 5.2
Max APNIC Region AS path length visible: 15
Number of APNIC addresses announced to Internet: 82649341
Equivalent to 4 /8s, 237 /16s and 32 /24s
Percentage of available APNIC address space announced: 81.3
APNIC AS Blocks 4608 - 4864, 7467 - 7722, 9216 - 10239, 17408 - 18431
APNIC Address Blocks 61/8, 202/7, 210/7 and 218/8
ARIN Region Analysis Summary
----------------------------
Prefixes being announced by ARIN Region ASes: 75865
Prefixes being announced from the ARIN address blocks: 53880
ARIN Region origin ASes present in the Internet Routing Table: 7168
ARIN Region origin ASes announcing only one prefix: 2148
ARIN Region transit ASes present in the Internet Routing Table: 711
Average ARIN Region AS path length visible: 5.3
Max ARIN Region AS path length visible: 17
Number of ARIN addresses announced to Internet: 218609581
Equivalent to 13 /8s, 7 /16s and 183 /24s
Percentage of available ARIN address space announced: 81.4
ARIN AS Blocks 1 - 1876, 1902 - 2042, 2044 - 2046, 2048 - 2106
2138 - 2584, 2615 - 2772, 2823 - 2829, 2880 - 3153
3354 - 4607, 4865 - 5119, 5632 - 6655, 6912 - 7466
7723 - 8191, 10240 - 12287, 13312 - 15359
16384 - 17407, 18432 - 20479, 21504 - 22527
ARIN Address Blocks 24/8, 63/8, 64/6, 68/8, 199/8, 200/8, 204/6,
208/7 and 216/8
RIPE Region Analysis Summary
----------------------------
Prefixes being announced by RIPE Region ASes: 17786
Prefixes being announced from the RIPE address blocks: 14206
RIPE Region origin ASes present in the Internet Routing Table: 3367
RIPE Region origin ASes announcing only one prefix: 1788
RIPE Region transit ASes present in the Internet Routing Table: 592
Average RIPE Region AS path length visible: 5.9
Max RIPE Region AS path length visible: 15
Number of RIPE addresses announced to Internet: 109207948
Equivalent to 6 /8s, 130 /16s and 97 /24s
Percentage of available RIPE address space announced: 72.3
RIPE AS Blocks 1877 - 1901, 2043, 2047, 2107 - 2136, 2585 - 2614
2773 - 2822, 2830 - 2879, 3154 - 3353, 5377 - 5631
6656 - 6911, 8192 - 9215, 12288 - 13311, 15360 - 16383
20480 - 21503
RIPE Address Blocks 62/8, 80/7, 193/8, 194/7, 212/7 and 217/8
APNIC Region per AS prefix count summary
----------------------------------------
ASN No of nets /20 equiv Description
1221 1585 1291 Telstra Pty Ltd
2764 415 359 connect.com.au pty ltd
703 377 336 UUNET Technologies, Inc.
2907 373 1880 SINET Japan
4755 294 164 Videsh Sanchar Nigam Ltd. Aut
7474 243 274 Optus Communications Pty Ltd
4134 242 1862 Data Communications Bureau
4766 186 1466 Korea Internet Exchange for "
4740 184 27 OzEmail ISP
7539 175 216 TANet2, sponsored by NSC, TAI
9443 160 54 Primus Telecommunications
2521 137 171 PSINet Japan
9768 131 363 Korea Telecom
17557 129 8 Pakistan Telecom
4763 122 69 Telstra New Zealand
4786 119 14 NetConnect Communications Pty
9583 118 61 Satyam Infoway Ltd.,
4713 117 885 NTT Communications Corporatio
17561 114 167 Internet service provision to
7657 109 22 The Internet Group Limited
RIPE Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv Description
702 909 1950 UUNET Technologies, Inc.
3301 435 950 TeliaNet Sweden
1257 273 512 SWIPnet Swedish IP Network
680 241 2309 DFN-IP service G-WiN
3215 236 515 France Telecom / &Equant
5515 194 688 Sonera Finland Autonomous Sys
3320 190 1940 Deutsche Telekom AG
1103 189 4125 SURFnet BV
786 186 1890 The JANET IP Service
8708 161 17 Romania Data Systems S.A.
15870 141 10 Global Center Frankfurt
5400 136 64 Concert European Core Network
719 133 289 LANLINK autonomous system
3303 129 560 Swisscom Ltd
2856 128 776 BTnet UK Regional network
5549 128 67 Nextra Deutschland GmbH + Co.
1270 125 732 UUNET Germany
15878 119 9 Global Center Paris
517 112 252 KPNQwest Germany GmbH
3269 106 807 TELECOM ITALIA
ARIN Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv Description
701 2308 9119 UUNET Technologies, Inc.
3908 1158 1660 Supernet, Inc.
7018 1065 7294 AT&T
1 861 8589 BBN Planet
7046 810 1021 UUNET Technologies, Inc.
1239 750 3396 Sprint
3967 593 465 Exodus Communication
209 582 2253 Qwest
690 501 93 Merit Network
2914 481 2268 Verio, Inc.
4293 453 112 Cable & Wireless USA
3561 435 2352 Cable & Wireless USA
2149 431 346 Performance Systems, Inc.
705 425 67 UUNET Technologies, Inc.
721 383 4406 DLA Systems Automation Center
3549 378 842 Global Crossing
4323 357 361 Time Warner Communications, I
5106 355 213 Ameritech Advanced Data Servi
577 351 636 Bell Advanced Communications
4151 347 1235 USDA
Global Per AS prefix count summary
----------------------------------
ASN No of nets /20 equiv Description
701 2308 9119 UUNET Technologies, Inc.
1221 1585 1291 Telstra Pty Ltd
3908 1158 1660 Supernet, Inc.
7018 1065 7294 AT&T
702 909 1950 UUNET Technologies, Inc.
1 861 8589 BBN Planet
7046 810 1021 UUNET Technologies, Inc.
1239 750 3396 Sprint
3967 593 465 Exodus Communication
209 582 2253 Qwest
690 501 93 Merit Network
2914 481 2268 Verio, Inc.
4293 453 112 Cable & Wireless USA
3301 435 950 TeliaNet Sweden
3561 435 2352 Cable & Wireless USA
2149 431 346 Performance Systems, Inc.
705 425 67 UUNET Technologies, Inc.
2764 415 359 connect.com.au pty ltd
721 383 4406 DLA Systems Automation Center
3549 378 842 Global Crossing
List of Unregistered ASNs (Global)
----------------------------------
Bad AS Designation Network Transit AS Description
21174 UNALLOCATED 62.56.174.0/23 12491 IPPlanet
21174 UNALLOCATED 62.56.176.0/21 12491 IPPlanet
22153 UNALLOCATED 63.167.108.0/24 1239 Sprint
6971 UNALLOCATED 64.42.0.0/18 2516 Kokusai Denshin Denw
6971 UNALLOCATED 64.42.0.0/17 2516 Kokusai Denshin Denw
6971 UNALLOCATED 64.42.16.0/20 2914 Verio, Inc.
6971 UNALLOCATED 64.42.32.0/21 2914 Verio, Inc.
6971 UNALLOCATED 64.42.40.0/21 2914 Verio, Inc.
6971 UNALLOCATED 64.42.48.0/21 2914 Verio, Inc.
6971 UNALLOCATED 64.42.56.0/22 2914 Verio, Inc.
6971 UNALLOCATED 64.42.60.0/22 2914 Verio, Inc.
6971 UNALLOCATED 64.42.64.0/21 2914 Verio, Inc.
6971 UNALLOCATED 64.42.72.0/21 2914 Verio, Inc.
6971 UNALLOCATED 64.42.80.0/21 2914 Verio, Inc.
6971 UNALLOCATED 64.42.104.0/22 2914 Verio, Inc.
6971 UNALLOCATED 64.42.108.0/22 2914 Verio, Inc.
6971 UNALLOCATED 64.42.112.0/20 2914 Verio, Inc.
6971 UNALLOCATED 64.87.64.0/19 2516 Kokusai Denshin Denw
22153 UNALLOCATED 65.161.192.0/24 1239 Sprint
22153 UNALLOCATED 65.165.127.0/24 1239 Sprint
2027 UNALLOCATED 150.185.128.0/18 8143 Publicom Corp.
22153 UNALLOCATED 168.215.234.0/23 1239 Sprint
22153 UNALLOCATED 168.215.235.0/24 1239 Sprint
22153 UNALLOCATED 168.215.236.0/23 1239 Sprint
22153 UNALLOCATED 168.215.237.0/24 1239 Sprint
6971 UNALLOCATED 192.103.229.0/24 2516 Kokusai Denshin Denw
6971 UNALLOCATED 192.103.230.0/23 2516 Kokusai Denshin Denw
6971 UNALLOCATED 192.103.232.0/22 2516 Kokusai Denshin Denw
6971 UNALLOCATED 192.103.236.0/23 2516 Kokusai Denshin Denw
6971 UNALLOCATED 192.103.237.0/24 2516 Kokusai Denshin Denw
1877 UNALLOCATED 192.108.201.0/24 1880 Stupi, house man's p
5555 UNALLOCATED 192.156.8.0/24 721 DLA Systems Automati
5555 UNALLOCATED 192.156.41.0/24 721 DLA Systems Automati
22290 UNALLOCATED 198.140.161.0/24 2914 Verio, Inc.
22051 UNALLOCATED 198.172.125.0/24 2914 Verio, Inc.
5555 UNALLOCATED 199.10.190.0/24 721 DLA Systems Automati
22290 UNALLOCATED 199.217.152.0/24 2914 Verio, Inc.
22290 UNALLOCATED 199.217.187.0/24 2914 Verio, Inc.
6971 UNALLOCATED 199.249.223.0/24 2516 Kokusai Denshin Denw
22290 UNALLOCATED 205.159.194.0/24 2914 Verio, Inc.
6971 UNALLOCATED 206.58.248.0/22 2516 Kokusai Denshin Denw
6971 UNALLOCATED 206.58.248.0/21 2516 Kokusai Denshin Denw
6971 UNALLOCATED 206.58.252.0/23 2914 Verio, Inc.
6971 UNALLOCATED 206.58.254.0/23 2914 Verio, Inc.
5757 UNALLOCATED 207.19.224.0/24 701 UUNET Technologies,
22290 UNALLOCATED 207.150.139.0/24 2914 Verio, Inc.
22237 UNALLOCATED 208.253.66.0/24 701 UUNET Technologies,
22075 UNALLOCATED 209.39.134.0/24 2914 Verio, Inc.
65515 PRIVATE 212.110.142.0/24 5593 CRIS-AS
6971 UNALLOCATED 216.105.192.0/20 2516 Kokusai Denshin Denw
6971 UNALLOCATED 216.121.224.0/19 2516 Kokusai Denshin Denw
6971 UNALLOCATED 216.174.192.0/21 2516 Kokusai Denshin Denw
6971 UNALLOCATED 216.174.192.0/18 2516 Kokusai Denshin Denw
6971 UNALLOCATED 216.174.200.0/23 2516 Kokusai Denshin Denw
6971 UNALLOCATED 216.174.200.0/21 2914 Verio, Inc.
6971 UNALLOCATED 216.174.202.0/24 2914 Verio, Inc.
6971 UNALLOCATED 216.174.208.0/20 2516 Kokusai Denshin Denw
6971 UNALLOCATED 216.174.232.0/21 2914 Verio, Inc.
6971 UNALLOCATED 216.174.240.0/21 2914 Verio, Inc.
6971 UNALLOCATED 216.210.128.0/18 2516 Kokusai Denshin Denw
6971 UNALLOCATED 216.210.128.0/17 2516 Kokusai Denshin Denw
6971 UNALLOCATED 216.210.140.0/22 2914 Verio, Inc.
6971 UNALLOCATED 216.210.160.0/21 2914 Verio, Inc.
6971 UNALLOCATED 216.210.176.0/21 2914 Verio, Inc.
6971 UNALLOCATED 216.210.184.0/22 2914 Verio, Inc.
6971 UNALLOCATED 216.210.200.0/22 2914 Verio, Inc.
6971 UNALLOCATED 216.210.216.0/22 2914 Verio, Inc.
6971 UNALLOCATED 216.210.220.0/22 2914 Verio, Inc.
6971 UNALLOCATED 216.210.224.0/21 2914 Verio, Inc.
6971 UNALLOCATED 216.210.232.0/22 2914 Verio, Inc.
6971 UNALLOCATED 216.210.236.0/22 2914 Verio, Inc.
6971 UNALLOCATED 216.210.240.0/20 2914 Verio, Inc.
6971 UNALLOCATED 216.229.96.0/20 2516 Kokusai Denshin Denw
Advertised Unregistered Addresses
---------------------------------
Network Origin AS Description
1.0.0.0/8 7623 High Performance Computing NE
39.0.0.0/8 4554 Exchange Point Blocks
128.65.0.0/16 3463 ACES Research Inc
132.0.0.0/10 568 DISO-UNRRA
134.137.0.0/16 400 Headquarters Standard Systems
135.0.0.0/13 10455 Lucent Technologies
137.0.0.0/13 568 DISO-UNRRA
138.94.0.0/16 1 BBN Planet
144.7.0.0/16 701 UUNET Technologies, Inc.
153.34.0.0/15 701 UUNET Technologies, Inc.
153.36.0.0/14 701 UUNET Technologies, Inc.
154.150.0.0/16 6494 IDCI
158.0.0.0/13 568 DISO-UNRRA
164.233.0.0/16 6020 DISA NETWORK SERVICES
164.235.0.0/16 6025 US DOD NIC Unregistered
201.115.100.0/24 7018 AT&T
Number of prefixes announced per prefix length (Global)
-------------------------------------------------------
/1:0 /2:0 /3:0 /4:0 /5:0 /6:0
/7:0 /8:19 /9:5 /10:8 /11:12 /12:34
/13:88 /14:228 /15:393 /16:7123 /17:1308 /18:2410
/19:7032 /20:5948 /21:4849 /22:7125 /23:9152 /24:62939
/25:320 /26:319 /27:254 /28:246 /29:147 /30:162
/31:1 /32:46
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
701 1480 2308 UUNET Technologies, Inc.
1221 1441 1585 Telstra Pty Ltd
3908 879 1158 Supernet, Inc.
7046 629 810 UUNET Technologies, Inc.
702 620 909 UUNET Technologies, Inc.
7018 558 1065 AT&T
690 497 501 Merit Network
4293 439 453 Cable & Wireless USA
3967 416 593 Exodus Communication
209 415 582 Qwest
1 413 861 BBN Planet
1239 407 750 Sprint
705 374 425 UUNET Technologies, Inc.
2764 370 415 connect.com.au pty ltd
5106 334 355 Ameritech Advanced Data Servi
703 311 377 UUNET Technologies, Inc.
2149 305 431 Performance Systems, Inc.
4151 305 347 USDA
11371 299 310 Rhythms NetConnections
4323 298 357 Time Warner Communications, I
Number of /24s announced per /8 block (Global)
----------------------------------------------
4:6 9:1 12:415 13:10 15:1 17:5
20:1 24:781 25:1 26:1 32:121 38:14
43:2 44:3 52:1 53:2 57:15 61:108
62:165 63:1963 64:1278 65:862 66:487 67:32
80:72 128:52 129:96 130:20 131:47 132:35
133:2 134:123 135:13 136:102 137:93 138:195
139:88 140:180 141:192 142:58 143:39 144:148
145:62 146:226 147:129 148:189 149:90 150:41
151:190 152:392 153:51 154:19 155:83 156:95
157:114 158:72 159:69 160:47 161:61 162:70
163:147 164:123 165:99 166:207 167:157 168:121
169:40 170:287 171:2 192:5640 193:1981 194:2097
195:878 196:467 198:4123 199:3917 200:2428 201:1
202:2816 203:4562 204:3374 205:2332 206:2884 207:2638
208:3148 209:3100 210:582 211:137 212:871 213:519
214:8 215:15 216:3014 217:392 218:2
End of report
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